Distribution: Occurring chiefly east of the Cascades crest in Washington; Yukon Territory to California, east to the Rocky Mountains, northern Great Plains, and Great Lakes region.
Habitat: Open forests and open areas, from low to high elevations in the mountains.
Growth Duration: Perennial
Conservation Status: Not of concern
Highly variable, scapose, glabrous or hairy, sometimes glaucous perennial, 1-7 dm. tall, with milky juice.
Leaves all basal, linear to broadly oblanceolate, 5-35 cm. long and 1-30 mm. wide, entire or toothed to laciniate-pinnatifid.
Head solitary on the scape; involucre 1-3 cm. high, the bracts imbricate or sub-equal, sharply pointed or blunt; corollas all ligulate, yellow.
Achene body 5-12 mm. long, gradually tapering to a stout beak marked with fine, parallel lines, the beak very short to as long as the body.